CN102987678B - Electric travelling mechanism for draw-bar box - Google Patents
Electric travelling mechanism for draw-bar box Download PDFInfo
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- CN102987678B CN102987678B CN201210499771.0A CN201210499771A CN102987678B CN 102987678 B CN102987678 B CN 102987678B CN 201210499771 A CN201210499771 A CN 201210499771A CN 102987678 B CN102987678 B CN 102987678B
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- transmission shaft
- power transmission
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- bar
- differential mechanism
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Abstract
The invention provides an electric travelling mechanism for a draw-bar box. The motor travelling mechanism comprises a transmission shaft and a wheel hub which are connected with each other by virtue of a clutch, wherein the clutch is connected with a pull rod; and the transmission shaft comprises a left transmission shaft and a right transmission shaft, the left transmission shaft and the right transmission shaft are respectively connected with output shafts arranged at two ends of a differential, and the differential is connected with the output shaft of a motor by virtue of a first bevel gear. The motor travelling mechanism is simple and light in structure, and flexible, and when unequal resistance is applied onto wheels arranged at two ends of the left transmission shaft and the right transmission shaft, the speed difference between the wheels can be balanced by the autoroatation of a third bevel gear, so that the rotation of the wheels arranged at the two ends can not be interfered with each other, therefore, the smooth turning can be carried out, the wear of the wheels can be avoided, the loss of electric energy can be reduced, the motor travelling mechanism has the effects of shock absorption and shock reduction, the electric travelling of pull rod boxes such as a trunk and an engineering box can be realized, and the electric travelling mechanism is simple in structure, is flexible to use, and can be used for greatly facilitating the travel of people.
Description
Technical field
The invention belongs to mechano-electronic control technology field, relate to a kind of draw-bar box, be specifically related to a kind of electric walking mechanism for draw-bar box.
Background technology
In order to people go out accommodating, existing luggage case and engineering box are substantially all provided with roller and pull bar.As long as pull pull bar during walking, chest can roll on the ground, more laborsaving.But with the quickening pace of modern life, need to carry large numbers of items when people go on a journey, particularly professional goes out to need to carry the article such as various equipment, pulled by manpower and require great effort very much, and also limit the increasing of casing, therefore, urgently come out with the luggage case of electric walking mechanism and engineering box.
Summary of the invention
The object of this invention is to provide a kind of electric walking mechanism for draw-bar box, solve existing draw-bar box and adopt manpower to draw row Problems existing, realize the electric walking of draw-bar box.
The object of the present invention is achieved like this, a kind of electric walking mechanism for draw-bar box, comprises power transmission shaft with wheel hub to be connected by clutch, and clutch is connected with pull bar; Power transmission shaft comprises left and right power transmission shaft, and left and right power transmission shaft is connected with the output shaft at differential mechanism two ends respectively, and differential mechanism is connected with motor output shaft by the first angular wheel.
Feature of the present invention is also:
Clutch comprises driving disc spacing pressing, clutch plate and spring that power transmission shaft is arranged, clutch plate is fixedly connected with wheel hub, driving disc spacing pressing to be contacted with clutch plate by spring compresses and connects, the cross section of power transmission shaft and driving disc spacing pressing contact portion is hexagon, drive driving disc spacing pressing to rotate by power transmission shaft, transmit power by frictional force between driving disc spacing pressing and clutch plate thus drive hub rotation.
Clutch also comprises vertical tooth bar and horizontal tooth bar, vertical tooth bar is connected with pull bar, horizontal tooth bar is connected with vertical tooth bar by gear, horizontal one end of tooth bar and the outward flange clamping of driving disc spacing pressing, pull driving disc spacing pressing to move inward by vertical tooth bar, the horizontal tooth bar of gear driven when pull bar moves downward, be separated with clutch plate.
Differential mechanism comprises the second angular wheel be separately positioned on left and right power transmission shaft, Left Drive axle is provided with gear fixed mount, one end of gear fixed mount is cylindrical shape and sets firmly the first angular wheel be connected with motor output shaft, the other end of gear fixed mount has two bifurcateds, and the end of two bifurcateds is respectively installed with a triconic gear and all engages with two the second angular wheels be fixedly arranged on respectively on left and right power transmission shaft.
Also comprise spring shock-absorbing post and differential mechanism casing, differential mechanism is arranged in differential mechanism casing, the output shaft at differential mechanism two ends stretches out from differential mechanism casing and is connected with left and right power transmission shaft, differential mechanism casing is provided with the upper arm plate and lower arm plate that can longitudinally rotate, the end of upper arm plate and lower arm plate is fixed on fixing frame for transmission shaft, box body of draw-bar box is provided with spring fixator, spring fixator wears spring joint pin, one end of spring shock-absorbing post is arranged in lower arm plate, and the other end is connected on spring joint pin.
Two output shafts that left and right power transmission shaft and differential mechanism tank ends are stretched out form articulation structure respectively, the swing that each articulation structure can make power transmission shaft carry out in a plane, the swinging plane of two articulation structure formation is vertical, articulation structure can make power transmission shaft and motor output shaft rotate with uniform velocity, meanwhile, transmission the tip of the axis can do circular cone swing.
For the electric walking mechanism of draw-bar box by battery to feeding electric motors.
Electric walking mechanism for draw-bar box also comprises multi-function jack, multi-function jack comprises panel and the jack be arranged on panel and supplemental button, back-up block is provided with between jack, back-up block and supplemental button form lever by the rotating shaft on connecting rod and connecting rod, supplemental button is pressed when pulling the plug out of the socket, connecting rod rotates around the shaft, back-up block is about to plug prop up, thus plug easily can be extracted.
Back-up block is set with back-moving spring, and panel is fixed in the upper end of back-moving spring, and lower end is free end, and rotating shaft is fixedly arranged on the bottom surface of panel.
Insulating sleeve is provided with outside back-up block.
Jack comprises two-phase jack and three-phase jack.
Panel is also provided with USB interface.
The present invention also comprises warning device; warning device comprises as the single-chip microcomputer of master controller, radio receiving transmitting module and buzzer; whether single-chip microcomputer can carry out normal transmission, Received signal strength and judge claimed article whether in safe range by detecting radio receiving transmitting module; if exceed safe range, single-chip microcomputer sends alarm signal by buzzer.
The present invention has following beneficial effect:
1, structure of the present invention is simple, light.When draw-bar box user runs into congested link or two wheels are completely stuck by barrier time; to one, pull bar thrust backward; this thrust will be delivered to clutch by pull bar; wheel is made to depart from power transmission; power transmission shaft would not bear very large moment because of the stuck of wheel, thus plays the effect of protection motor.
2, the present invention is motor-driven, flexible.When the wheel at power transmission shaft two ends, left and right is subject to not waiting resistance, the speed discrepancy between wheel can transfer balance certainly by triconic gear, the rotation of two ends wheel is not interfered, thus turns round smoothly, and avoid the wearing and tearing of wheel, decrease the loss of electric energy.
3, the present invention can make lower arm plate move upward pressuring spring shock absorber strut with power transmission shaft simultaneously, thus reaches the effect of shock-absorbing and damping.
4, the multi-function jack of the present invention's configuration arranges back-up block between jack, and forms lever with supplemental button by the rotating shaft on connecting rod and connecting rod, as long as by the supplemental button on lower panel when pulling the plug out of the socket, plug easily can be extracted, easy to use.
5, present invention achieves the electric walking of the draw-bar box such as luggage case, engineering box, structure is simple, uses flexibly, is very easy to people's trip.
Accompanying drawing explanation
Fig. 1 is the electric walking mechanism structure figure of the present invention for draw-bar box;
Fig. 2 is the electric walking mechanism clutch structure chart of the present invention for draw-bar box;
Fig. 3 is the electric walking mechanism differential design figure of the present invention for draw-bar box;
Fig. 4 is the electric walking mechanism shock absorbing apparatus structure chart of the present invention for draw-bar box;
Fig. 5 is the circuit diagram of the present invention for the electric walking mechanism warning system of draw-bar box;
Fig. 6 is the electric walking mechanism Multifunctional socket structure schematic diagram of the present invention for draw-bar box;
Fig. 7 is the electric walking mechanism Multifunctional socket panel figure of the present invention for draw-bar box.
In figure, 1. wheel hub, 2. power transmission shaft, 3. clutch plate, 4. thrust bearing, 5. ball bearing, 6. driving disc spacing pressing, 7. horizontal tooth bar, 8. tooth case, 9. fixing frame for transmission shaft, 10. lower arm plate, 11. upper arm versions, 12. casing fixed mounts, 13. spring fixators, 14. spring joint pins, 15. spring shock-absorbing posts, 16. differential mechanism casings, 17. differential mechanisms, 18. box body of draw-bar boxes, 19. anti-theft devices, 20. pull bars, 21. tires, 22. shock-absorbing supports, 23. lower boxes, 24. Left Drive axles, 25. first angular wheels, 26. gear fixed mounts, 27. right power transmission shafts, 28. second angular wheels, 29. triconic gears, 30. range adjusters, 31. radio receiving transmitting modules, 32. single-chip microcomputers, 33. power supplys, 34. buzzers, 35.LED indicator lamp, 36. delayed time systems, 37. servomotors, 38. supplemental button, 39. connecting rods I, 40. connecting rods II, 41. rotating shafts I, 42. rotating shafts II, 43. support bars, 44. insulating sleeves, 45. plug 46. Double-hole sockets, 47. Three-hole sockets, 48. two USB(A types) interface, 49. back-moving springs.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention is described in detail.
Embodiment, a kind of electric walking mechanism for draw-bar box, see Fig. 1, comprising power transmission shaft 2 with wheel hub 1 is connected by clutch, and clutch is connected with pull bar 20; Power transmission shaft 2 comprises Left Drive axle 24, right power transmission shaft 27, and Left Drive axle 24, right power transmission shaft 27 are connected with the output shaft at differential mechanism 17 two ends respectively, and differential mechanism 17 is connected with motor output shaft by the first angular wheel.
See Fig. 2, clutch comprises power transmission shaft 2, and the two ends of power transmission shaft 2 are provided with wheel hub 1, and power transmission shaft 2 is provided with driving disc spacing pressing 6, clutch plate 3 and spring; Vertical tooth bar is connected with pull bar 20, and horizontal tooth bar 7 is connected with vertical tooth bar by gear, one end of horizontal tooth bar 7 and the outward flange clamping of driving disc spacing pressing 6.Putting rubber tyre 21 outside wheel hub 1 is exactly complete wheel, wheel hub 1 is connected on clutch plate 3 by screw, driving disc spacing pressing 6 is compressed on clutch plate 3 and wheel hub 1 edge by spring, the partial cross sectional that power transmission shaft 2 contacts with driving disc spacing pressing 6 is hexagon, be convenient to drive driving disc spacing pressing 6 to rotate, remainder is smooth cylinder, be convenient to shock-absorbing support 22 and clutch plate 3 does not rotate with power transmission shaft 2, the edge of driving disc spacing pressing 6 is step-like, be convenient to horizontal tooth bar 7 can be blocked, horizontal tooth bar 7 puts in tooth case 8 and engaged gears.Shock-absorbing support 22 to be enclosed within power transmission shaft 2 and to be connected with spring shock-absorbing post 15.
Differential mechanism 17 comprises Left Drive axle 24, right power transmission shaft 27, the outer end of Left Drive axle 24, right power transmission shaft 27 is respectively equipped with wheel hub 1, the inner is installed with the second angular wheel 28 respectively, Left Drive axle 24 is provided with gear fixed mount 26, one end of gear fixed mount 26 is cylindrical shape and sets firmly the first angular wheel 25 be connected with power output shaft, the other end of gear fixed mount 26 has two bifurcateds, and the end of two bifurcateds is respectively installed with a triconic gear 29 and all engages with two the second angular wheels 28 be fixedly arranged on respectively on Left Drive axle 24, right power transmission shaft 27.
See Fig. 3, what wherein stablize overall architecture is gear fixed mount 26, gear fixed mount 26 is Y-shaped forks, left end is drum, can pass Left Drive axle 24 and bearing, right-hand member forked section interface is cuboid, and thickness is wanted to bear when draw-bar box full load is still indeformable, Y type fork right-hand member connects the second angular wheel 28 partial cross section and becomes cylinder, and the second angular wheel 28 and triconic gear 29 can smoothly rotate.Left Drive axle 24 and right power transmission shaft 27 etc. are thick, can not relatively rotate between the second angular wheel 28 that two shaft ends connect and power transmission shaft, the first angular wheel 25 that Y type fork left end connects is used to the power that reception motor transmits, so the first angular wheel 25 can not with there is relative rotation between Y type fork, be also fixed by key.When draw-bar box turns round, the path of wheel is circular arc, if draw-bar box is turned left, the central point of circular arc is in left side, in the identical time, the camber line that right-hand wheel is walked is longer than left-hand wheel, connects two wheels iff use axle, not only can strengthen the wearing and tearing of consumption with wheel of electric energy, draw-bar box also can be made to turn to difficulty, in order to balance this difference, will left side wheel slow, the right wheel is quicker, makes up the difference of distance with different rotating speeds.
See Fig. 4, structure inner side is the differential mechanism casing 16 of parcel differential mechanism 17, former and later two half shells are combined by screw and box body of draw-bar box 18 front portion and differential mechanism 17 are placed on the inside, the right and left is two output shafts stretching out differential mechanism 17 two ends, in order to the Stability Analysis of Structures of differential mechanism casing 18, two casing fixed mounts 12 fixed by four screws are added again in former and later two faces of differential mechanism casing 18, connection for transmission axle 2 on the output shaft at differential mechanism 17 two ends, differential mechanism casing 16 connects the upper arm plate 11 that can longitudinally rotate and lower wall panels 10, the end connection for transmission shaft holder 9 of upper arm plate 11 and lower wall panels 10, the relative position of fixing upper arm plate 11 and lower wall panels 10, and power transmission shaft 2 is extended there through, make power transmission shaft 2 swing up and down with upper arm plate 11 and lower wall panels 10 to swing up and down three parallel all the time, box body of draw-bar box 18 be provided with spring fixator 13, spring fixator 13 two ends wear spring joint pin 14, like this, the right and left respectively fills a spring shock-absorbing post 15, spring shock-absorbing post 15 one end is connected on spring joint pin 14, the other end is connected in lower arm plate 10.
See Fig. 6, Fig. 7, the present invention also comprises multi-function jack, and panel is rectangle plane, is provided with two-phase jack 46, three-phase jack 47, USB interface 48 and supplemental button 38 above.Be equipped with back-up block 43 between the jack of two-phase jack 46, three-phase jack 47 to be connected by connecting rod I 39, connecting rod II 40 with corresponding supplemental button 38, connecting rod II 40 is provided with and is fixed on rotating shaft I 41 bottom panel as fulcrum, and back-up block 43 and corresponding supplemental button 38, connecting rod II 40 and rotating shaft I 41, rotating shaft II 42 form lever.Back-up block 43 is set with back-moving spring 49, panel is fixed in the upper end of back-moving spring 49, and lower end is free end.Insulating sleeve 44 is provided with outside back-up block 43.
Charged, pressed supplemental button 38 when pulling the plug out of the socket, connecting rod 40 41 to rotate around the shaft, back-up block 43 is about to plug and props up, thus plug easily can be extracted.Back-up block 43 pops into position by back-moving spring 49 afterwards, finishes the work.
Power transmission shaft 2 of the present invention is connected on differential mechanism 17, while realizing transfer motion power, can carry out taper swinging momvement at power transmission shaft end, and power transmission shaft 2 forms articulation structure respectively with two output shafts at differential mechanism casing 16 two ends.The swing that each articulation structure can make power transmission shaft 2 carry out in a plane, the swinging plane of two articulation structure formation is vertical, articulation structure can reach and power transmission shaft 2 and motor output shaft are rotated with uniform velocity, and meanwhile, the end of power transmission shaft 2 can swing at certain scope female cone.
When a wheel is subject to upwarding pressure, upper arm plate 11 and lower wall panels 10 can be carried together with the power transmission shaft 2 that is fixed on therebetween and be shunk in the other direction to pressure, realize shock-absorbing effect, thus reach shock-absorbing object.
When the wheel at power transmission shaft 2 two ends is subject to not waiting resistance, the speed discrepancy between wheel can transfer balance certainly by triconic gear 29, and the rotation of the rotation of left end wheel and right-hand member wheel is not interfered.When the wheel of power transmission shaft 2 both sides is not subject to any resistance or is subject to equal resistance, power passes to Y type fork by the first angular wheel 25, Y type fork rotates and makes the second angular wheel 28 of right-hand member two longitudinal directions rotate relative to power transmission shaft 2 and rotation does not occur, when two wheels are subject to different resistance, be subject to a resistance large side resistance to be passed on moving axis 2 and pass to two the second angular wheels 28, now the second angular wheel 28 not only can rotate around final drive shaft 2, and there is rotation, and then do not affect the proper motion of another side wheel.
When draw-bar box user runs into congested link or two wheels are completely stuck by barrier time, the natural reaction of people is exactly to 20 1, the pull bar thrust backward of draw-bar box, this thrust will be delivered to clutch by pull bar 20, driving disc spacing pressing 6 Compress Spring is made to depart from clutch plate 3, it should be noted that, because be carry out conducting power by friction between driving disc spacing pressing 6 and clutch plate 3, so two dishes must select different materials, make static friction factor between the two larger.When tire does not have stuck or the motion of client's normal speed, spring compresses driving disc spacing pressing 6, driving disc spacing pressing 6 extrudes clutch plate 3, clutch plate 3 is rotated with driving disc spacing pressing 6 by the friction heel of driving disc spacing pressing 6 with it between contact surface, when tire be stuck or user think to underspeed suddenly stop even time, user subconsciously can give 20 1, pull bar power backward, this power makes vertical tooth bar move downward, horizontal tooth bar 7 is made in wheel to movement by the gear of tooth case 8, thus hold driving disc spacing pressing 6 and follow horizontal tooth bar 7 and move in the same way simultaneously, now driving disc spacing pressing 6 extrusion spring, spring contraction, driving disc spacing pressing 6 follows the extruding of disengaging to clutch plate 3 while power transmission shaft 2 rotates, because without contacting and extruding between clutch plate 3 with driving disc spacing pressing 6, also can smoothly rotate with between power transmission shaft 2, so now driven pulley 3 has departed from the control of motor completely, controlled by people, as long as the same with common draw-bar box when client wants to allow motor again get involved, haul pull bar 20 to exert oneself toward last, driving disc spacing pressing 6 contacts with clutch plate 3 and extrudes at once, now motor is got involved, clutch plate 3 with the synchronized rotation of driving disc spacing pressing 6.Case lower body 23 is in order to by motor, front fork, the structure that the parts such as differential mechanism are fixed together, bottom be one piece of industrial plank, it has lightweight, on-deformable characteristic, it there are four screws by front fork, and the differential mechanism be fixed within front fork casing is fixed on plank, motor also can be fixed on plank simultaneously, also has the parts such as cell switch.
The present invention also comprises warning device, warning device comprises the single-chip microcomputer 32 as master controller, range adjuster 30, radio receiving transmitting module 31, power supply 33 and buzzer 34, LED light 35, delayed time system 36, whether single-chip microcomputer 32 can carry out normal transmission by detecting radio receiving transmitting module 31, Received signal strength and judge claimed article whether in safe range, by range adjuster 30, the scope that user can arbitrarily regulate oneself to consider appropriate is to carry out anti-theft measure, whole warning device is powered by power supply 33, if exceed safe range, then to be sent by the alarm signal in delayed time system 36 control time by buzzer 34 and LED light 35 can be shinny.
The present embodiment adopts STC89LE52RC-3V single-chip microcomputer 32 as master controller; using two pieces of wireless module 31nrf24l01 respectively as transmitting and accept module (safe range is 3---20m), whether can carry out normal transmission, Received signal strength and judge claimed article whether in safe range by detecting radio receiving transmitting module 31nrf24l01.Distance between transmitting-receiving two module when " safe range " (about 20m), system worked well, data transmission is normal; If exceed this safe range, then the normal data transmission that cannot carry out of system, this Time Controller (MCU) can send alarm signal, reminds owner to note.The workflow of this circuit is: first make receiving circuit power on, and makes receiver module be in accepting state, waits the arrival of pending data; Then run the program on single-chip microcomputer 32, the data deposited in advance in one-chip register are launched.If the distance of transmitter module and receiver module is in " safe range ", receiver module can receive signal in 1ms, can not report to the police.If exceed " safe range ", receiver module will be that buzzer 34 pipes warning, drives servomotor 37 to make tire lock stubbornly refuse to rotate simultaneously.
Claims (9)
1. for an electric walking mechanism for draw-bar box, it is characterized in that: comprising power transmission shaft (2) with wheel hub (1) is connected by clutch, and described clutch is connected with pull bar (20), described power transmission shaft (2) comprises a left side, right power transmission shaft (24, 27), a described left side, right power transmission shaft (24, 27) be connected with the output shaft at differential mechanism (17) two ends respectively, described differential mechanism (17) is connected with motor output shaft by the first angular wheel (25), described differential mechanism (17) comprises and is separately positioned on a described left side, right power transmission shaft (24, 27) the second angular wheel (28) on, described Left Drive axle (24) is provided with gear fixed mount (26), one end of described gear fixed mount (26) is cylindrical shape and sets firmly the first angular wheel (25) be connected with motor output shaft, the other end of gear fixed mount (26) has two bifurcateds, the end of two bifurcateds be respectively installed with a triconic gear (29) and all be fixedly arranged on a left side respectively, right power transmission shaft (24, 27) two the second angular wheel (28) engagements on.
2. a kind of electric walking mechanism for draw-bar box as claimed in claim 1, it is characterized in that, described clutch comprises the upper driving disc spacing pressing (6) arranged of power transmission shaft (2), clutch plate (3) and back-moving spring (49), described clutch plate (3) is fixedly connected with wheel hub (1), described driving disc spacing pressing (6) to be contacted with clutch plate (3) by spring compresses and connects, described power transmission shaft (2) is hexagon with the cross section of driving disc spacing pressing (6) contact portion, driving disc spacing pressing (6) is driven to rotate by power transmission shaft (2), transmit power by frictional force between driving disc spacing pressing (6) and clutch plate (3) thus drive wheel hub (1) to rotate.
3. as claimed in claim 1 for the electric walking mechanism of draw-bar box, it is characterized in that: described clutch also comprises vertical tooth bar and horizontal tooth bar (7), described vertical tooth bar is connected with pull bar (20), described horizontal tooth bar (7) is connected with vertical tooth bar by gear, horizontal one end of tooth bar (7) and the outward flange clamping of driving disc spacing pressing (6), pull driving disc spacing pressing (6) to move inward by vertical tooth bar, the horizontal tooth bar (7) of gear driven when described pull bar (20) moves downward, be separated with clutch plate (3).
4. the electric walking mechanism for draw-bar box as described in any one of claim 1-3, it is characterized in that: also comprise spring shock-absorbing post (15) and differential mechanism casing (16), described differential mechanism (17) is arranged in differential mechanism casing (16), the output shaft at differential mechanism (17) two ends stretches out and a described left side from differential mechanism casing (16), right power transmission shaft (24, 27) connect, described differential mechanism casing (16) is provided with the upper arm plate (11) and lower arm plate (10) that can longitudinally rotate, the end of described upper arm plate (11) and lower arm plate (10) is fixed on fixing frame for transmission shaft (9), box body of draw-bar box (18) is provided with spring fixator (13), described spring fixator (13) wears spring joint pin (14), one end of described spring shock-absorbing post (15) is arranged in lower arm plate (10), the other end is connected on spring joint pin (14).
5. as claimed in claim 4 for the electric walking mechanism of draw-bar box, it is characterized in that: described left and right power transmission shaft (24,27) two output shafts stretched out with differential mechanism casing (16) two ends form articulation structure respectively, the swing that each articulation structure can make power transmission shaft (2) carry out in a plane, the swinging plane of two articulation structure formation is vertical, articulation structure can make power transmission shaft (2) and motor output shaft rotate with uniform velocity, meanwhile, the end of power transmission shaft (2) can do circular cone swing.
6. the electric walking mechanism for draw-bar box as described in any one of claim 1-3, is characterized in that: give described feeding electric motors by battery.
7. the electric walking mechanism for draw-bar box as described in any one of claim 1-3, it is characterized in that: also comprise multi-function jack, described multi-function jack comprises panel and the jack (45) be arranged on panel and supplemental button (38), back-up block (43) is provided with between jack (45), described back-up block (43) and supplemental button (38) form lever by the rotating shaft (41) on connecting rod (40) and connecting rod (40), pull the plug out of the socket (45) time press supplemental button (38), connecting rod (40) around the shaft (41) rotates, back-up block (43) is about to plug (45) and props up, thus plug (45) easily can be extracted.
8. as claimed in claim 7 for the electric walking mechanism of draw-bar box, it is characterized in that: described back-up block (43) is set with back-moving spring (49), panel is fixed in the upper end of described back-moving spring (49), lower end is free end, rotating shaft (41) is fixedly arranged on the bottom surface of panel, back-up block (43) outside is provided with insulating sleeve (44), jack comprises two-phase jack (46) and three-phase jack (47), panel is also provided with USB interface (48).
9. the electric walking mechanism for draw-bar box as described in any one of claim 1-3; it is characterized in that: also comprise warning device; described warning device comprises as the single-chip microcomputer (32) of master controller, radio receiving transmitting module (31) and buzzer (34); whether described single-chip microcomputer (32) can carry out normal transmission, Received signal strength and judge claimed article whether in safe range by detecting radio receiving transmitting module (31); if exceed safe range, single-chip microcomputer (32) sends alarm signal by buzzer (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499771.0A CN102987678B (en) | 2012-11-28 | 2012-11-28 | Electric travelling mechanism for draw-bar box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210499771.0A CN102987678B (en) | 2012-11-28 | 2012-11-28 | Electric travelling mechanism for draw-bar box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102987678A CN102987678A (en) | 2013-03-27 |
| CN102987678B true CN102987678B (en) | 2015-01-21 |
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ID=47917154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210499771.0A Expired - Fee Related CN102987678B (en) | 2012-11-28 | 2012-11-28 | Electric travelling mechanism for draw-bar box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102987678B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107198319A (en) * | 2017-06-27 | 2017-09-26 | 浙江工贸职业技术学院 | Luggage case with running gear |
| CN109319033A (en) * | 2018-10-18 | 2019-02-12 | 昆山福宏康复科技有限公司 | A kind of clutch pack for folding stand |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940267A (en) * | 1989-09-14 | 1990-07-10 | Shieh Jin Ren | Bracing medium for case or the like |
| CN1124009A (en) * | 1994-01-21 | 1996-06-05 | 新秀丽公司 | Wheeled luggage with carrying handle |
| DE102006005227B3 (en) * | 2006-02-01 | 2007-06-06 | Cuma Kilic | Motor driven shopping trolley has wheels with coupling shaft and two detachable clutches, whereby electrically driven motor is arranged centrically on shaft between two detachable clutches |
| CN201296167Y (en) * | 2008-09-02 | 2009-08-26 | 黄艳斌 | Power transmission system for four-wheel drive motor vehicle |
| CN102182811A (en) * | 2011-03-27 | 2011-09-14 | 欧阳富 | Beyond gear shifting implement |
-
2012
- 2012-11-28 CN CN201210499771.0A patent/CN102987678B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4940267A (en) * | 1989-09-14 | 1990-07-10 | Shieh Jin Ren | Bracing medium for case or the like |
| CN1124009A (en) * | 1994-01-21 | 1996-06-05 | 新秀丽公司 | Wheeled luggage with carrying handle |
| DE102006005227B3 (en) * | 2006-02-01 | 2007-06-06 | Cuma Kilic | Motor driven shopping trolley has wheels with coupling shaft and two detachable clutches, whereby electrically driven motor is arranged centrically on shaft between two detachable clutches |
| CN201296167Y (en) * | 2008-09-02 | 2009-08-26 | 黄艳斌 | Power transmission system for four-wheel drive motor vehicle |
| CN102182811A (en) * | 2011-03-27 | 2011-09-14 | 欧阳富 | Beyond gear shifting implement |
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| Publication number | Publication date |
|---|---|
| CN102987678A (en) | 2013-03-27 |
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